APA-referens (7:e uppl.)

Wittenberg, P. J. (1937). The Protection and marketing of literary property. J. Messner.

Chicago-referens (17:e uppl.)

Wittenberg, Philip J. The Protection and Marketing of Literary Property. New York: J. Messner, 1937.

MLA-referens (9:e uppl.)

Wittenberg, Philip J. The Protection and Marketing of Literary Property. J. Messner, 1937.